21531216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64081}}^1$

素因数の和:64099

約数の個数: 40

約数和(自身を含む): 63569344

約数和(自身を除く): 42038128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64081, 128162, 192243, 256324, 384486, 448567, 512648, 768972, 897134, 1025296, 1345701, 1537944, 1794268, 2691402, 3075888, 3588536, 5382804, 7177072, 10765608, 21531216]

約数ペア:

[(1, 21531216), (2, 10765608), (3, 7177072), (4, 5382804), (6, 3588536), (7, 3075888), (8, 2691402), (12, 1794268), (14, 1537944), (16, 1345701), (21, 1025296), (24, 897134), (28, 768972), (42, 512648), (48, 448567), (56, 384486), (84, 256324), (112, 192243), (168, 128162), (336, 64081)]